Patent No. U.S. 6,506,263
Houghton Metal Finishing Company has obtained a patent for an aqueous composition for sealing anodically oxidized aluminum surfaces. The composition contains at least one surfactant, a magnesium salt and a cobalt(II) salt. This composition demonstrates en-hanced sealant properties. A method for sealing anodically oxidized aluminum surfaces is also described. In this method, the aluminum is contacted with a composition containing at least one surfactant, a magnesium salt and a cobalt(II) salt.
Aqueous Sealant Composition
Published August 10, 2005
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